package iotest.stream;

import sun.awt.image.OffScreenImageSource;

import java.io.*;

public class CopyDemo3Buffered {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("赤瞳.webp");
        BufferedInputStream bis = new BufferedInputStream(fis);
        FileOutputStream fos = new FileOutputStream("chitong.jpg");
        BufferedOutputStream bos = new BufferedOutputStream(fos);

        long start = System.currentTimeMillis();
        int d;
        while ((d = bis.read()) != -1) {
            bos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕" + (end - start));
        bis.close();
        bos.close();


    }
}
